Just a list I collected over time. Many are free or provide free issues.
Software Test & QA
http://www.softwaretestpro.com/Publication/p/STPM
(IN)Secure Magazine
http://www.net-security.org/insecuremag.php
Hack in the Box Magazine
http://magazine.hackinthebox.org/
IT Expert Magazine
http://www.itexpertmag.com/
Hakin9 Magazine
http://hakin9.org/
Datacenter Magazine
http://datacentermag.com/category/magazine/
Pentest Magazine
http://pentestmag.com/
Security Acts
http://www.securityacts.com/
Security Kaizen Magazine
http://www.bluekaizen.org/security-kaizen-magazine/
Testing Experience
http://www.testingexperience.com/
